CD4021B-Q1 - 汽车类 CMOS 8 级静态移位寄存器

CD4021B-Q1是TI德州仪器公司的一款移位寄存器产品，CD4021B-Q1是汽车类 CMOS 8 级静态移位寄存器，本站介绍了CD4021B-Q1的封装应用图解、特点和优点、功能等，并给出了与CD4021B-Q1相关的TI元器件型号供参考。

CD4021B-Q1 - 汽车类 CMOS 8 级静态移位寄存器 - 移位寄存器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

CD4021B series types are 8-stage parallel- or serial-input/serial output registers having common CLOCK and PARALLEL/SERIAL CONTROL inputs, a single SERIAL data input, and individual parallel "JAM" inputs to each register stage. Each register stage is a D-type, master-slave flip-flop. In addition to an output from stage 8, "Q" outputs are also available from stages 6 and 7. Parallel as well as serial entry is made into the register synchronously with the positive clock line transition in the CD4014B. In the CD4021B serial entry is synchronous with the clock but parallel entry is asynchronous. In both types, entry is controlled by the PARALLEL/SERIAL CONTROL input. When the PARALLEL/SERIAL CONTROL input is low, data is serially shifted into the 8-stage register synchronously with the positive transition of the clock line. When the PARALLEL/SERIAL CONTROL input is high, data is jammed into the 8-stage register via the parallel input lines and synchronous with the positive transition of the clock line. In the CD4021B, the CLOCK input of the internal stage is "forced" when asynchronous parallel entry is made. Register expansion using multiple packages is permitted.

The CD4021B series types are supplied in 16-lead hermetic dual-in-line ceramic packages (D and F suffixes), 16-lead dual-in-line plastic packages (E suffix), and in chip form (H suffix).

产品特性

Qualified for Automotive Applications
Medium-Speed Operation: 12-MHz (Typ) Clock Rate at VDD – VSS = 10 V
Fully Static Operation
Eight Master-Slave Flip-Flops Plus Output Buffering and Control Gating
100% Tested for Quiescent Current at 20 V
Maximum Input Current of 1 µA at 18 V Over Full Package-Temperature Range: 100 nA at 18 V and 25°C
Noise Margin (Full Package-Temperature Range):
- 1 V at VDD = 5 V
- 2 V at VDD = 10 V
- 2.5 V at VDD = 15 V
Standardized Symmetrical Output Characteristics
5-V, 10-V, and 15-V Parametric Ratings
Meets All Requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of ’B’ Series CMOS Devices"
Latch-Up Performance Meets 50 mA per JESD 78, Class I
APPLICATIONS
- Parallel Input/Serial Output Data Queuing
- Parallel-to-Serial Data Conversion
- General-Purpose Register

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